MOA 2023-BLG-090

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Event Parameters

Internal ID:	gb4-R-1-202571
Discovery date:	2023-03-30T15:20:53
RA:	17:51:07.02
Dec:	-30:17:35.75
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
2749	17:51:07.22	-30:17:36.86	16.08 ± 0.04	2.73
2760	17:51:07.23	-30:17:33.48	17.40 ± 0.07	2.85

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.899 (2024-Oct-28.399)	99.99 ± 99.99	5.19
2460611.911 (2024-Oct-28.411)	19.87 ± 2.29	5.33
2460611.921 (2024-Oct-28.421)	99.99 ± 99.99	5.72
2460611.930 (2024-Oct-28.430)	99.99 ± 99.99	5.17
2460614.875 (2024-Oct-31.375)	99.99 ± 99.99	5.61

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2460034.04	±	0.00 UT (2023-Mar-30.54)
t_E	=	1463.11	±	1333.30 days
u₀	=	0.0000	±	0.0004
I_base	=	27.76	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice